# シークレット台帳 秘密のメモ 鍵付き日記 vs Logline

The clearest difference is update cadence: Logline at every 5 days against シークレット台帳 秘密のメモ 鍵付き日記's every 2 weeks. シークレット台帳 秘密のメモ 鍵付き日記's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. シークレット台帳 秘密のメモ 鍵付き日記 sells 1 one-off in-app purchase and Logline sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

シークレット台帳 秘密のメモ 鍵付き日記 ships an update every 2 weeks, Logline every 5 days. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | シークレット台帳 秘密のメモ 鍵付き日記 | Logline |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hotaka aoki](https://appshunter.io/developer/6796736905) | [Jun Hayashi](https://appshunter.io/developer/6800836117) |

## What reviewers say

### シークレット台帳 秘密のメモ 鍵付き日記

[App page](https://appshunter.io/ios/app/id6799800285)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


### Logline

[App page](https://appshunter.io/ios/app/logline-timeline-notes-and-log/id6800836115)

This app organizes your thoughts and tasks chronologically without folders or hierarchy. It allows for unlimited entries, offline use, and quick logging via widgets. Data can be exported and synced across devices.

**Highlights:** Chronological timeline organization, Unlimited note and task creation, Offline data storage, Home and Lock Screen widgets, Full-text search and filtering, Export to Markdown, JSON, CSV, Mac sync available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Logline Sync | $1.99 | per month |
| Logline Sync | $19.99 | per year |
| Logline Plus | $6.99 | one-time |


## Frequently asked questions

### Is シークレット台帳 秘密のメモ 鍵付き日記 free?

シークレット台帳 秘密のメモ 鍵付き日記 is free to download, with in-app purchases available.

### Is Logline free?

Logline is free to download, with in-app purchases available.

### Do シークレット台帳 秘密のメモ 鍵付き日記 or Logline have ads?

Neither シークレット台帳 秘密のメモ 鍵付き日記 nor Logline shows ads.

### Which is updated more often, シークレット台帳 秘密のメモ 鍵付き日記 or Logline?

シークレット台帳 秘密のメモ 鍵付き日記 ships an update every 2 weeks, and Logline every 5 days. Most recently, シークレット台帳 秘密のメモ 鍵付き日記 was updated on October 25, 2026 and Logline on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*